Aircraft



FIG. 1 is a perspective view of an aircraft showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of the left side of said aircraft, theright side being substantially a mirror image thereof;

FIG. 4 is a front elevational view of said aircraft;

FIG. 5 is a bottom plan view of said aircraft;

FIG. 6 is a rear elevational view of said aircraft.

The ornamental design for an aircraft, as shown and described.